WebChartControl.BoundDataChanged Event

Occurs every time a chart control generates its series points from the data source.

Namespace: DevExpress.XtraCharts.Web

Assembly: DevExpress.XtraCharts.v22.2.Web.dll

NuGet Package: DevExpress.Web.Visualization

Declaration

C#

public event BoundDataChangedEventHandler BoundDataChanged

VB.NET

Public Event BoundDataChanged As BoundDataChangedEventHandler

Event Data

The BoundDataChanged event's data class is EventArgs.

Remarks

Use the BoundDataChanged event to change a series’s SeriesBase.Visible property, or to change any properties of series labels or a series view.

Note

The following property values cannot be changed in the BoundDataChanged event handler:

• SeriesBase.ArgumentScaleType and SeriesBase.ValueScaleType;
• SeriesBase.ArgumentDataMember and SeriesBase.ValueDataMembers;
• SeriesBase.ArgumentDataMember and SeriesBase.ValueDataMembers;
• Series.Points.

Example

This example demonstrates how to access the auto-created series appearance settings at runtime.

Handle the WebChartControl.BoundDataChanged event to access an individual series’ settings.

View Example

Form1.cs

private void WebChartControl_BoundDataChanged(object sender, EventArgs e) {
    Series series = webChartControl.Series.Where(s => s.Name == "2015").FirstOrDefault() as Series;
    if(series != null) {
        SideBySideBarSeriesView view = series.View as SideBySideBarSeriesView;
        if(view != null) {
            view.Color = System.Drawing.Color.Orange;
            view.FillStyle.FillMode = FillMode.Solid;
        }
    }
}

Form1.vb

Private Sub WebChartControl_BoundDataChanged(ByVal sender As Object, ByVal e As EventArgs)
    Dim series As Series = TryCast(webChartControl.Series.Where(Function(s) s.Name = "2015").FirstOrDefault(), Series)
    If series IsNot Nothing Then
        Dim view As SideBySideBarSeriesView = TryCast(series.View, SideBySideBarSeriesView)
        If view IsNot Nothing Then
            view.Color = System.Drawing.Color.Orange
            view.FillStyle.FillMode = FillMode.Solid
        End If
    End If
End Sub